// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
  var id = event.userInfo.openId;
  const db = cloud.database({
    env: 'cards-2c53b0'
  });

  return await db.collection('users').doc(id).get();

}